Question

find the missing numbers in the following proportions in the table given 1:2::4:8​

Answer 1

• $\star\boxed{\fcolorbox{red}{pink}{Proportion}}$

1. 1:2::4:8
2. 5:6::75:90
3. 3:4::24:32
4. 2:5::x:15
5. 3:6::12:x

• $\star\boxed{\fcolorbox{red}{beige}{Product of extremes}}$

1. 1×8=8
2. 5×90=450
3. 3×32=96
4. 2×15=30
5. 3×x or 3x=72⇒x= $\frac{72}{3}$=24

• $\star\boxed{\fcolorbox{red}{orange}{product of means}}$

1. 2×4=8
2. 6×75=450
3. 4×24=96
4. 5x=30 or
5. x=5
6. 6×12=72

$<marquee behaviour-move> <font color="blue"> <h1>sɴᴇʜᴀsʜɪsʜ</ ht> </marquee>$

Answer 2

$\star\boxed{\fcolorbox{red}{pink}{Proportion}}$

1:2::4:8

5:6::75:90

3:4::24:32

2:5::x:15

3:6::12:x

$\star\boxed{\fcolorbox{red}{beige}{Product of extremes}}$

1×8=8

5×90=450

3×32=96

2×15=30

3×x or 3x=72⇒x= $\frac{72}{3}$=24

$\star\boxed{\fcolorbox{red}{orange}{product of means}}$

2×4=8

6×75=450

4×24=96

5x=30 or

x=5

6×12=72

$<marquee behaviour-move> <font color="orange"> <h1>Chandini</ ht> </marquee>$.